Smith, G. W., & Geier, H. T. (1988). The Spokane County economy: A profile of growth, structure, and cyclical change, 1969-86. Cooperative Extension, College of Agriculture and Home Economics, Washington State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smith, Gary W., و Hans T. Geier. The Spokane County Economy: A Profile of Growth, Structure, and Cyclical Change, 1969-86. Pullman, Wash.: Cooperative Extension, College of Agriculture and Home Economics, Washington State University, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Smith, Gary W., و Hans T. Geier. The Spokane County Economy: A Profile of Growth, Structure, and Cyclical Change, 1969-86. Cooperative Extension, College of Agriculture and Home Economics, Washington State University, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.